CN207515254U - A kind of photovoltaic and optothermal integrieren solarenergy water heater - Google Patents

A kind of photovoltaic and optothermal integrieren solarenergy water heater Download PDF

Info

Publication number
CN207515254U
CN207515254U CN201721473099.2U CN201721473099U CN207515254U CN 207515254 U CN207515254 U CN 207515254U CN 201721473099 U CN201721473099 U CN 201721473099U CN 207515254 U CN207515254 U CN 207515254U
Authority
CN
China
Prior art keywords
support
attemperater
liner
water
photovoltaic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721473099.2U
Other languages
Chinese (zh)
Inventor
李凤昌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Zhi Heng New Energy Development Co Ltd
Original Assignee
Hebei Zhi Heng New Energy Development Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hebei Zhi Heng New Energy Development Co Ltd filed Critical Hebei Zhi Heng New Energy Development Co Ltd
Priority to CN201721473099.2U priority Critical patent/CN207515254U/en
Application granted granted Critical
Publication of CN207515254U publication Critical patent/CN207515254U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/47Mountings or tracking
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

The utility model discloses a kind of photovoltaic and optothermal integrieren solarenergy water heaters, including attemperater, heat collector, first support, second support, solar panel, solar storage battery and controller, the first support and second support are trapezoid support, the attemperater, second support is fixed in first support, the heat collector is fixed on the inclined surface of first support, the solar panel is fixed on the inclined surface of second support, liner is equipped in the attemperater, insulating layer, thermal-arrest tube connection ports are provided on the attemperater, pressure relief opening, water inlet, water outlet, electric heating tube is equipped in the liner, temperature sensor and liquid level sensor.The beneficial effects of the utility model are of simple structure and strong practicabilitys.

Description

A kind of photovoltaic and optothermal integrieren solarenergy water heater
Technical field
The utility model is related to water heater arrangement technical field, particularly a kind of photovoltaic and photothermal integral solar water Device.
Background technology
Solar energy be it is a kind of can freely utilize, is pollution-free, the lasting energy that energy density is not high, it is that the mankind can utilize The most abundant energy and most cheap, the most clean and most promising energy.People are exploring solar energy for a long time Utilization side heat has done a large amount of work and has achieved good effect.Wherein, the heat utilization switch technology of solar water heater Undoubtedly the most ripe.But solar water heater on the market is generally low using the efficiency of solar energy, sun-drenched Using solar energy heating water in weather, but water can only be heated by assisted heating device at night or rainy days, not Solar energy can be efficiently utilized, there are the wastings of resources.
Utility model content
The purpose of this utility model is to solve the above-mentioned problems, to devise a kind of photovoltaic and photothermal integral solar water Device.
Realize that above-mentioned purpose the technical solution of the utility model is a kind of photovoltaic and optothermal integrieren solarenergy water heater, packet Attemperater, heat collector, first support, second support, solar panel, solar storage battery and controller are included, it is described First support and second support are trapezoid support, and the attemperater is fixed on first support top, and the second support is consolidated It is scheduled on first support top and right over attemperater, the heat collector is fixed on the inclined surface of first support, institute It states solar panel to be fixed on the inclined surface of second support, the heat collector is by being fixed on first support inclined surface Reflector, the bracket for being fixed on first support inclined surface bottom, several full glass for being fixed on bracket and being located above reflector Glass vacuum solar collector tubes collectively form, and liner is equipped in the attemperater, and heat preservation is equipped between the attemperater and liner Layer, it is provided with several thermal-arrest tube connection ports for being uniformly distributed and penetrating through liner, the all-glass vacuum solar on the attemperater The condensation segment of thermal-collecting tube is inserted through thermal-arrest tube connection ports and stretches into liner, and attemperater upper end side is provided with perforation liner Pressure relief opening, be equipped with the relief tube being tightly connected with pressure relief opening at the pressure relief opening, on the relief tube and be located at pressure relief opening Equipped with relief valve, the attemperater lower end and the water inlet that perforation liner is provided with below pressure relief opening, the water inlet Equipped with the water inlet pipe being connect with inlet seal, the water inlet pipe is equipped with check valve, and attemperater lower end side is provided with The water outlet of liner is penetrated through, the water outlet is equipped with the outlet pipe being tightly connected with water outlet, the other end of the outlet pipe It is connect with water end (W.E.), is equipped with solenoid valve on the outlet pipe and positioned at water outlet, is set in the liner and positioned at water outlet There is electric heating tube, the solar storage battery is fixed on attemperater upper end face and below solar panel, described It is electrically connected between solar storage battery and solar panel by solar controller.
Temperature sensor and liquid level sensor are equipped in the liner.
Booster pump is connected on the water inlet pipe.
The material of the insulating layer is polyurethane foam.
The open amount of the thermal-arrest tube connection ports is identical with the number of complete glass vacuum sun thermal-collecting tube, the full glass Sealing and dustproof circle is equipped between vacuum solar collector tubes and thermal-arrest tube connection ports.
The cabinet shell material of the attemperater and attemperater is stainless steel.
The controller is equipped with LED display, regulation button, switch and with electrical interface, it is described with electrical interface with it is external Power supply is electrically connected.
Reflectorised paint is coated on the reflector.
PLC system is equipped in the controller.
The controller and solenoid valve, solar storage battery, solar controller, temperature sensor, liquid level sensor and Booster pump is electrically connected.
A kind of photovoltaic and optothermal integrieren solarenergy water heater made using the technical solution of the utility model, can be in sunlight By the water in heat collector heating and thermal insulation water tank when sufficient, while storage is converted solar energy into electrical energy by solar panel It stores in solar storage battery, the electric energy saved in solar storage battery can be utilized at night or cloudy day, passes through electric heating tube Water in heating and thermal insulation water tank improves the service efficiency of solar energy, achievees the purpose that efficiently to utilize solar energy, while save electricity Can, reduce the wasting of resources.
Description of the drawings
Fig. 1 is the structure diagram of photovoltaic and optothermal integrieren solarenergy water heater described in the utility model a kind of;
Fig. 2 is the schematic diagram of attemperater described in the utility model;
Fig. 3 is the side view of photovoltaic and optothermal integrieren solarenergy water heater described in the utility model a kind of;
Fig. 4 is the schematic diagram of controller described in the utility model;
In figure, 1, attemperater;2nd, first support;3rd, second support;4th, solar panel;5th, solar storage battery; 6th, controller;7th, reflector;8th, bracket;9th, complete glass vacuum sun thermal-collecting tube;10th, liner;11st, insulating layer;12nd, thermal-collecting tube connects Interface;13rd, pressure relief opening;14th, relief tube;15th, relief valve;16th, water inlet;17th, water inlet pipe;18th, check valve;19th, water outlet; 20th, outlet pipe;21st, solenoid valve;22nd, electric heating tube;23rd, solar controller;24th, temperature sensor;25th, liquid level sensor; 26th, booster pump;27th, sealing and dustproof circle;28th, LED display;29th, regulation button;30th, it switchs;31st, electrical interface is used.
Specific embodiment
The utility model is specifically described below in conjunction with the accompanying drawings, as shown in Figs 1-4, a kind of photovoltaic and photothermal integral is too Positive energy water heater, stores including attemperater 1, heat collector, first support 2, second support 3, solar panel 4, solar energy Battery 5 and controller 6, the first support 2 and second support 3 are trapezoid support, and the attemperater 1 is fixed on first 2 top of frame, the second support 3 are fixed on 2 top of first support and right over attemperaters 1, and the heat collector is consolidated It is scheduled on the inclined surface of first support 2, the solar panel 4 is fixed on the inclined surface of second support 3, the collection hot charging Put by be fixed on 2 inclined surface of first support reflector 7, be fixed on 2 inclined surface bottom of first support bracket 8, be fixed on Several complete glass vacuum sun thermal-collecting tubes 9 on bracket 8 and positioned at 7 top of reflector collectively form, and are set in the attemperater 1 There is liner 10, insulating layer 11 is equipped between the attemperater 1 and liner 10, several be uniformly distributed is provided on the attemperater 1 And the thermal-arrest tube connection ports 12 of perforation liner 10, the condensation segment of the complete glass vacuum sun thermal-collecting tube 9 are inserted through thermal-collecting tube company It interface 12 and stretches into liner 10, the 1 upper end side of attemperater is provided with the pressure relief opening 13 of perforation liner 10, the pressure relief opening The relief tube 14 that is tightly connected with pressure relief opening 13 is equipped at 13, equipped with relief valve on the relief tube 14 and at pressure relief opening 13 15,1 lower end of attemperater and the water inlet 16 that perforation liner 10 is provided with positioned at the lower section of pressure relief opening 13, at the water inlet 16 Equipped with the water inlet pipe 17 being tightly connected with water inlet 16, the water inlet pipe 17 is equipped with check valve 18,1 lower end of attemperater Side is provided with the water outlet 19 of perforation liner 10, and the outlet pipe 20 being tightly connected with water outlet 19 is equipped at the water outlet 19, The other end of the outlet pipe 20 is connect with water end (W.E.), and solenoid valve 21 is equipped on the outlet pipe 20 and at water outlet 19, Electric heating tube 22 is equipped in the liner 10 and at water outlet 19, the solar storage battery 5 is fixed on attemperater 1 End surfaces and positioned at the lower section of solar panel 4, pass through solar energy control between the solar storage battery 5 and solar panel 4 Device 23 processed is electrically connected;Temperature sensor 24 and liquid level sensor 25 are equipped in the liner 10;It is connected on the water inlet pipe 17 Booster pump 26;The material of the insulating layer 11 is polyurethane foam;The open amount of the thermal-arrest tube connection ports 12 and full glass The number of vacuum solar collector tubes 9 is identical, and sealing is equipped between the complete glass vacuum sun thermal-collecting tube 9 and thermal-arrest tube connection ports 12 Dustband 27;, the cabinet shell material of the attemperater 1 and attemperater 1 is stainless steel;The controller 6 is equipped with LED display 28, regulation button 29, switch 30 and electrical interface 31 is used, electrical interface 31 and the external power supply electric connection;Institute It states and is coated with reflectorised paint on reflector 7;PLC system is equipped in the controller 6;The controller 6 is stored with solenoid valve 21, solar energy Battery 5, electric heating tube 22, solar controller 23, temperature sensor 24, liquid level sensor 25 and booster pump 26 are electrically connected.
The characteristics of the present embodiment is that first support and second support are trapezoid support, and attemperater is fixed on first Cantilever tip, second support are fixed on first support top and right over attemperaters, and heat collector is each attached to first On the inclined surface of stent, solar panel is fixed on the inclined surface of second support, and heat collector is by being fixed on first support Reflector on inclined surface, the bracket for being fixed on first support inclined surface bottom are fixed on bracket and above reflector Several complete glass vacuum sun thermal-collecting tubes collectively form, liner is equipped in attemperater, is equipped with and protects between attemperater and liner Warm layer is provided with several thermal-arrest tube connection ports for being uniformly distributed and penetrating through liner, complete glass vacuum sun thermal-collecting tube on attemperater Condensation segment be inserted through thermal-arrest tube connection ports and stretch into liner, attemperater upper end side be provided with perforation liner pressure relief opening, It is equipped with the relief tube that is tightly connected with pressure relief opening at pressure relief opening, relief valve, heat preservation water is equipped on relief tube and at pressure relief opening Case lower end and the water inlet that perforation liner is provided with below pressure relief opening, water inlet are equipped with the water inlet being connect with inlet seal Pipe, water inlet pipe are equipped with check valve, and attemperater lower end side is provided with the water outlet of perforation liner, and water outlet is equipped with and water outlet The outlet pipe that mouth is tightly connected, the other end of outlet pipe are connect with water end (W.E.), and electromagnetism is equipped on outlet pipe and positioned at water outlet Valve is equipped with electric heating tube in liner and positioned at water outlet, and solar storage battery is fixed on attemperater upper end face and is located at Below solar panel, it is electrically connected between solar storage battery and solar panel by solar controller.Utilize this A kind of photovoltaic and optothermal integrieren solarenergy water heater that the technical solution of utility model makes can pass through thermal-arrest when sunny Water in device heating and thermal insulation water tank, while savings are converted solar energy into electrical energy to solar energy power accumulating by solar panel In pond, the electric energy saved in solar storage battery can be utilized at night or cloudy day, by electric heater for heating attemperater Water, improve the service efficiency of solar energy, achieve the purpose that efficiently to utilize solar energy, while save electric energy, reduce the wasting of resources.
In the present embodiment, complete glass vacuum sun thermal-collecting tube absorbs solar heat, and rejects heat to liner In, by carrying out heat exchange with the water in liner, increase water temperature in liner, temperature sensor and liquid level sensor in liner The water temperature of attemperater and water amount information are transmitted to controller, and show the water letter of real-time water temperature in LED display Breath, when the water temperature in attemperater is more than preset temperature, solenoid valve is opened, and the hot water in liner is output to use by outlet pipe At water, when water level is less than default lowest water level line in liner, controller control supercharging pump work will be at water source by booster pump Water be pumped into attemperater, when water level be more than maximum water level when, booster pump is automatically closed in controller.It is interior in heat collector While courage water storage is heated, the solar panel above attemperater continuously absorbs solar energy, by solar energy It is converted into electric energy and saves into solar storage battery, when sunray deficiency, can not be reached for liner water storage heating by photo-thermal To when presetting minimum water temperature, controller control electric heating tube work, solar storage battery provides electric energy, electrical heating for electric heating tube Liner water storage is heated to preset temperature by pipe, and liner water temperature is made to keep certain, can be used at any time.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solutions of the utility model, the technology of the art Personnel embody some variations that some of which part may be made the principle of the utility model, belong to the utility model Protection domain within.

Claims (10)

1. a kind of photovoltaic and optothermal integrieren solarenergy water heater, including attemperater (1), heat collector, first support (2), Two stents (3), solar panel (4), solar storage battery (5) and controller (6), which is characterized in that the first support (2) and second support (3) is trapezoid support, and the attemperater (1) is fixed on first support (2) top, described second Frame (3) is fixed on first support (2) top and right over attemperater (1), and the heat collector is fixed on first support (2) on inclined surface, the solar panel (4) is fixed on the inclined surface of second support (3), and the heat collector is by solid It is the reflector (7) that is scheduled on first support (2) inclined surface, the bracket (8) for being fixed on first support (2) inclined surface bottom, fixed Several complete glass vacuum sun thermal-collecting tubes (9) on bracket (8) and above reflector (7) collectively form, the heat preservation Liner (10) is equipped in water tank (1), insulating layer (11), the attemperater are equipped between the attemperater (1) and liner (10) (1) several thermal-arrest tube connection ports (12) for being uniformly distributed and penetrating through liner (10), the all-glass vacuum solar thermal-arrest are provided on The condensation segment of pipe (9) is inserted through thermal-arrest tube connection ports (12) and stretches into liner (10), and attemperater (1) the upper end side is opened There is the pressure relief opening (13) of perforation liner (10), the relief tube being tightly connected with pressure relief opening (13) is equipped at the pressure relief opening (13) (14), relief valve (15), attemperater (1) lower end and position are equipped on the relief tube (14) and at pressure relief opening (13) The water inlet (16) of perforation liner (10) is provided with below pressure relief opening (13), is equipped with and water inlet (16) at the water inlet (16) The water inlet pipe (17) of sealed connection, the water inlet pipe (17) are equipped with check valve (18), and attemperater (1) the lower end side is opened There is the water outlet (19) of perforation liner (10), the outlet pipe being tightly connected with water outlet (19) is equipped at the water outlet (19) (20), the other end of the outlet pipe (20) is connect with water end (W.E.), is set on the outlet pipe (20) and at water outlet (19) There is a solenoid valve (21), electric heating tube (22), the solar energy power accumulating are equipped in the liner (10) and at water outlet (19) Pond (5) is fixed on attemperater (1) upper end face and below the solar panel (4), the solar storage battery (5) with It is electrically connected between solar panel (4) by solar controller (23).
A kind of 2. photovoltaic and optothermal integrieren solarenergy water heater according to claim 1, which is characterized in that the liner (10) temperature sensor (24) and liquid level sensor (25) are equipped in.
A kind of 3. photovoltaic and optothermal integrieren solarenergy water heater according to claim 1, which is characterized in that the water inlet pipe (17) booster pump (26) is connected on.
A kind of 4. photovoltaic and optothermal integrieren solarenergy water heater according to claim 1, which is characterized in that the insulating layer (11) material is polyurethane foam.
A kind of 5. photovoltaic and optothermal integrieren solarenergy water heater according to claim 1, which is characterized in that the thermal-collecting tube The open amount of connector (12) is identical with the number of complete glass vacuum sun thermal-collecting tube (9), the all-glass vacuum solar collection Sealing and dustproof circle (27) is equipped between heat pipe (9) and thermal-arrest tube connection ports (12).
A kind of 6. photovoltaic and optothermal integrieren solarenergy water heater according to claim 1, which is characterized in that the heat preservation water The cabinet shell material of case (1) and attemperater (1) is stainless steel.
A kind of 7. photovoltaic and optothermal integrieren solarenergy water heater according to claim 1, which is characterized in that the controller (6) be equipped with LED display (28), regulation button (29), switch (30) and use electrical interface (31), it is described with electrical interface (31) and External power supply is electrically connected.
A kind of 8. photovoltaic and optothermal integrieren solarenergy water heater according to claim 1, which is characterized in that the reflector (7) reflectorised paint is coated on.
A kind of 9. photovoltaic and optothermal integrieren solarenergy water heater according to claim 1, which is characterized in that the controller (6) PLC system is equipped in.
A kind of 10. photovoltaic and optothermal integrieren solarenergy water heater according to claim 1, which is characterized in that the control Device (6) and solenoid valve (21), solar storage battery (5), electric heating tube (22), solar controller (23), temperature sensor (24), liquid level sensor (25) and booster pump (26) are electrically connected.
CN201721473099.2U 2017-11-08 2017-11-08 A kind of photovoltaic and optothermal integrieren solarenergy water heater Expired - Fee Related CN207515254U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721473099.2U CN207515254U (en) 2017-11-08 2017-11-08 A kind of photovoltaic and optothermal integrieren solarenergy water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721473099.2U CN207515254U (en) 2017-11-08 2017-11-08 A kind of photovoltaic and optothermal integrieren solarenergy water heater

Publications (1)

Publication Number Publication Date
CN207515254U true CN207515254U (en) 2018-06-19

Family

ID=62537187

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721473099.2U Expired - Fee Related CN207515254U (en) 2017-11-08 2017-11-08 A kind of photovoltaic and optothermal integrieren solarenergy water heater

Country Status (1)

Country Link
CN (1) CN207515254U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108980975A (en) * 2018-06-22 2018-12-11 郑州诚合信息技术有限公司 A kind of controlling room temperature based on computer technology
CN109341103A (en) * 2018-09-06 2019-02-15 芜湖市晨曦新型建材科技有限公司 A kind of solar water heater and its power-economizing method, water-filling method and heating means
CN110500789A (en) * 2019-07-18 2019-11-26 徐州力奥新能源设备有限公司 Suitable for solar energy from pressure water heater
CN111322766A (en) * 2020-03-23 2020-06-23 广州林电科技有限公司 High-efficient solar heat collector with pressure release function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108980975A (en) * 2018-06-22 2018-12-11 郑州诚合信息技术有限公司 A kind of controlling room temperature based on computer technology
CN109341103A (en) * 2018-09-06 2019-02-15 芜湖市晨曦新型建材科技有限公司 A kind of solar water heater and its power-economizing method, water-filling method and heating means
CN110500789A (en) * 2019-07-18 2019-11-26 徐州力奥新能源设备有限公司 Suitable for solar energy from pressure water heater
CN111322766A (en) * 2020-03-23 2020-06-23 广州林电科技有限公司 High-efficient solar heat collector with pressure release function

Similar Documents

Publication Publication Date Title
CN107631493A (en) A kind of photovoltaic and optothermal integrieren solarenergy water heater
CN207515254U (en) A kind of photovoltaic and optothermal integrieren solarenergy water heater
CN107062628B (en) Integral flat-plate solar photo-thermal photoelectric system
CN205619578U (en) Solar water heating system of building
CN110984625A (en) Building body greenhouse building with photovoltaic shutter and solar chimney for double power generation
CN201628398U (en) Building solar water heater
CN205783877U (en) A kind of solar electrical energy generation heating system
CN217308498U (en) A store up heating device for warmhouse booth
CN202350332U (en) Separated solar heat pump water heater
CN214949875U (en) Multi-energy complementary device for heating geothermal tail water by utilizing solar energy
CN209541201U (en) A kind of solar water heater improving energy utilization rate
CN206905326U (en) The intelligent hot water control system that a kind of solar energy and air can be used in combination
CN208859909U (en) A kind of solar water heater improving solar energy utilization ratio
CN203216020U (en) Solar power generation and heat collecting device
CN220728557U (en) All-weather solar water heating system based on integration of phase change energy storage and optical storage
CN201697352U (en) New solar electrothermal generator
CN206787072U (en) A kind of solar water heater heats up engineering system again
CN211575567U (en) Solar energy electricity storage type water heater
CN2280248Y (en) Solar energy and wind energy water heater
CN214949873U (en) Solar water heating system
CN220401708U (en) Photovoltaic sunshine canopy with heat preservation function
CN201014698Y (en) Electric heating type solar energy water heater
CN213747342U (en) Solar energy photo-thermal water supply system
CN204376829U (en) A kind of solar light-heat power-generation system
CN204787361U (en) Heat -retaining device of heat exchange unit

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180619

Termination date: 20201108